body, ul, ol, input, textarea, dl, dt, dd, h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #333;
}

ol, ul {
  list-style: none;
}

:focus {
  outline: none;
}

input[type=text],
input[type=password],
textarea {
  border: 1px solid #b0b0b0;
}

img {
  vertical-align: middle;
}

table {
  /* 合并表格边框 */
  border-collapse: collapse;
  border: 1px solid #333333;
}

table th,
table td {
  border: 1px solid #333333;
}

table tr th,
table tr td {
  padding: 10px 20px;
}

.clearfix::after {
  content: '';
  clear: both;
  display: block;
}

